Question

Question 6 of 10

An arithmetic sequence has this recursive formula:
12 = 7
1a = 8-1-4
What is the explicit formula for this sequence?
A. an = 7+ (n-1)(-4)
B. a, = (-1) + (n - 7)(-4)
C. an = -4 + (n-1)7
D. an = 7 + (n - 4)(-1)

please answer !!!

Answer 1

Answer A step by step

Answer 2

It's A

Explanation:

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